442224004 has 6 divisors (see below), whose sum is σ = 773892014. Its totient is φ = 221112000.

The previous prime is 442223989. The next prime is 442224017. The reversal of 442224004 is 400422244.

It can be written as a sum of positive squares in only one way, i.e., 400000000 + 42224004 = 20000^2 + 6498^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277997 + ... + 55278004.

Almost surely, 2^442224004 is an apocalyptic number.

It is an amenable number.

442224004 is a deficient number, since it is larger than the sum of its proper divisors (331668010).

442224004 is a wasteful number, since it uses less digits than its factorization.

442224004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110556005 (or 110556003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 442224004 is about 21029.1227586887. The cubic root of 442224004 is about 761.8698211310.

Adding to 442224004 its reverse (400422244), we get a palindrome (842646248).

It can be divided in two parts, 4 and 42224004, that multiplied together give a 4-th power (168896016 = 114⁴).

The spelling of 442224004 in words is "four hundred forty-two million, two hundred twenty-four thousand, four".